/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.bookkeeper.mledger.util;

import org.apache.pulsar.common.util.FutureUtil;

public class ThrowableToStringUtil {

    public static String toString(Throwable throwable){
        Throwable unwrapThrowable = FutureUtil.unwrapCompletionException(throwable);
        StringBuilder stringBuilder = new StringBuilder();
        stringBuilder.append(unwrapThrowable.getClass().getName())
                .append(": ").append(unwrapThrowable.getMessage());
        for (StackTraceElement stackTraceElement : unwrapThrowable.getStackTrace()){
            stringBuilder.append("    at: ");
            stringBuilder.append(stackTraceElement.toString());
        }
        return stringBuilder.toString();
    }
}
